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https://www.readbyqxmd.com/read/28422520/low-level-laser-therapy-improves-performance-and-reduces-fatigue-in-competitive-cyclists
#1
Fábio J Lanferdini, Rodrigo R Bini, Bruno M Baroni, Kelli D Klein, Felipe P Carpes, Marco A Vaz
Evidence supports that low-level laser therapy (LLLT) minimizes fatigue effects on muscle performance. However, the ideal LLLT dosage to improve athletes' performance during sports activities, such as cycling, is still unclear. Therefore, the goal of this study was to investigate the effects of different LLLT dosages on cyclists' performance in time-to-exhaustion tests. In addition, we looked at the effects of LLLT on the frequency content of the EMG signals to assess fatigue mechanisms. Twenty male competitive cyclists participated in a crossover, randomized, double-blind and placebo-controlled trial...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28412305/memantine-improves-outcomes-after-repetitive-traumatic-brain-injury
#2
Zhengrong Mei, Jianhua Qiu, Sasha Alcon, Jumana Hashim, Alexander Rotenberg, Yan Sun, William P Meehan, Rebekah Mannix
Repetitive mild traumatic brain injury (rmTBI; e.g., sports concussions) is common and results in significant cognitive impairment. Targeted therapies for rmTBI are lacking, though evidence from other injury models indicates that targeting N-methyl-d-aspartate (NMDA) receptor (NMDAR)-mediated glutamatergic toxicity might mitigate rmTBI-induced neurologic deficits. However, there is a paucity of preclinical or clinical data regarding NMDAR antagonist efficacy in the rmTBI setting. To test whether NMDAR antagonist therapy improves outcomes after rmTBI, mice were subjected to rmTBI injury (4 injuries in 4 days) and randomized to treatment with the NMDA antagonist memantine or with vehicle...
April 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28409510/combined-osteopathy-and-exercise-management-of-achilles-tendinopathy-in-an-athlete-a-case-report
#3
Georgia Ross, Chris Macfarlane, Brett Vaughan
Mid-portion Achilles tendinopathy is a common injury in sporting populations. There is conflicting evidence about the best approach to conservative management. This report focuses on the rehabilitation of an Achilles tendinopathy utilising osteopathic manual therapy (OMT) and a structured exercise program in a semi-professional volleyballer. The patient presented with a 4-month history of right mid-portion Achilles tendon pain that begun after a lateral inversion sprain of the right ankle. The primary complaint was pain impacting the patients vertical jump performance...
April 13, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28402756/effectiveness-of-manual-therapy-and-stretching-for-baseball-players-with-shoulder-range-of-motion-deficits
#4
Lane B Bailey, Charles A Thigpen, Richard J Hawkins, Paul F Beattie, Ellen Shanley
BACKGROUND: Baseball players displaying deficits in shoulder range of motion (ROM) are at increased risk of arm injury. Currently, there is a lack of consensus regarding the best available treatment options to restore shoulder ROM. HYPOTHESIS: Instrumented manual therapy with self-stretching will result in clinically significant deficit reductions when compared with self-stretching alone. STUDY DESIGN: Controlled laboratory study. METHODS: Shoulder ROM and humeral torsion were assessed in 60 active baseball players (mean age, 19 ± 2 years) with ROM deficits (nondominant - dominant, ≥15°)...
April 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28381497/swainsonine-biosynthesis-genes-in-diverse-symbiotic-and-pathogenic-fungi
#5
Daniel Cook, Bruno G G Donzelli, Rebecca Creamer, Deana L Baucom, Dale R Gardner, Juan Pan, Neil Moore, Jerzy W Jaromczyk, Christopher L Schardl
Swainsonine, a cytotoxic fungal alkaloid and a potential cancer therapy drug, is produced by the insect pathogen and plant symbiont, Metarhizium robertsii, the clover pathogen Slafractonia leguminicola, locoweed symbionts belonging to Alternaria sect. Undifilum, and a recently discovered morning glory symbiont belonging to order Chaetothyriales. Genome sequence analyses revealed that these fungi shared orthologous gene clusters, designated "SWN," which included a multifunctional swnK gene comprising predicted adenylylation and acyltransferase domains with their associated thiolation domains, a β-ketoacyl synthase domain, and two reductase domains...
April 4, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28376667/environmental-enrichment-mitigates-deficits-after-repetitive-mild-tbi
#6
Xiaxia Liu, Jianhua Qiu, Sasha Alcon, Jumana Hashim, William Meehan, Rebekah Mannix
While environmental enrichment has been shown to improve functional and histologic outcomes in preclinical moderate-severe traumatic brain injury (TBI), there is a paucity of preclinical data regarding enrichment strategies in the setting of repetitive mild traumatic brain injury (rmTBI). Given the vast numbers of athletes who sustain rmTBI, the mounting evidence of the long-term and progressive sequelae of rmTBI, and the lack of targeted therapies to mitigate these sequelae, successful enrichment interventions in rmTBI could have large public health significance...
April 4, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28374732/-the-comprehensive-approach-to-the-rehabilitative-treatment-of-junior-athletes
#7
N P Stepanenko, T E Levitskaya, E A Tsekhmeistruk, N A Tren'kaeva, S V Tyulyupo, O V Dostovalova, S V Kremeno, S S Shakhova, V D Chekcheeva
AIM: The objective of the present study was the development of the comprehensive program for the medico-psychological follow-up of the male and female junior athletes (rhythmic gymnastics) with the purpose of stabilizing their hormonal and emotional status, as well as improving sport performances based on the use of modern hardware-software technologies. MATERIAL AND METHODS: The comprehensive examination of 72 female athletes at the mean age of 11.5±0.6 years attending R...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/28371249/osteoid-osteoma-benign-osteoblastic-tumor-of-the-lumbar-l4-transverse-process-associated-with-radicular-pain-a-case-report
#8
Carlos L Nebreda, Ricardo Vallejo, Victor Mayoral-Rojals, Antonio Ojeda
Osteoid osteomas of the spine are benign bone tumors typically presenting with progressive pain without neurological deficit. This report presents a case of an osteoid osteoma in the lumbar spine associated with radicular pain. The patient, a young male athlete, presented with severe chronic nightly left low back pain radiated to the ipsilateral lower extremity who failed to respond to physical therapy and analgesic medications. Initial radiologic examination was reported as normal, but closer inspection of the T1- and T2-weighted magnetic resonance image as well as technetium-99m total body bone scan and a computed tomography scan revealed a bony lesion in the left transverse process of the L4 vertebra consistent with the diagnosis of osteoid osteoma...
March 30, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28355978/limb-symmetry-indexes-can-overestimate-knee-function-after-anterior-cruciate-ligament-injury
#9
Elizabeth Wellsandt, Mathew J Failla, Lynn Snyder-Mackler
Study Design Prospective cohort. Background The high risk of second anterior cruciate ligament (ACL) injuries after return-to-sport highlights the importance of return-to-sport decision-making. Objective return-to-sport criteria frequently use limb symmetry indexes (LSI's) to quantify quadriceps strength and hop scores. Whether using the uninvolved limb in LSI's is optimal is unknown. Objectives To evaluate the uninvolved limb as a reference standard for LSI's utilized in return-to-sport testing and its relationship with second ACL injury rates...
March 29, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28349656/equine-performance-genes-and-the-future-of-doping-in-horseracing
#10
Tessa Wilkin, Anna Baoutina, Natasha Hamilton
A horse's success on the racetrack is determined by genetics, training and nutrition, and their translation into physical traits such as speed, endurance and muscle strength. Advances in genetic technologies are slowly explaining the roles of specific genes in equine performance, and offering new insights into the development of novel therapies for diseases and musculoskeletal injuries that cause early retirement of many racehorses. Gene therapy approaches may also soon provide new means to artificially enhance the physical performance of racehorses...
March 27, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28303472/chronic-exertional-compartment-syndrome-in-the-forearm-of-a-collegiate-softball-pitcher
#11
REVIEW
Austin Cole, John L Hiatt, Christopher Arnold, Terry Sites, Ramon Ylanon
BACKGROUND: Chronic exertional compartment syndrome (CECS) is a recognized condition in the lower limb, with many reports in the literature. However, very few instances include CECS of the upper limb. This article presents the case of a collegiate softball pitcher presenting with CECS in her right forearm. To our knowledge, this is the first case report of a softball player with CECS, with only one similar incident in a major league baseball player. PURPOSE: The rarity of this condition normally places it low on the differential diagnosis...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28301205/intratendon-delivery-of-leukocyte-poor-platelet-rich-plasma-improves-healing-compared-with-leukocyte-rich-platelet-rich-plasma-in-a-rabbit-achilles-tendinopathy-model
#12
Ruijian Yan, Yanjia Gu, Jisheng Ran, Yejun Hu, Zefeng Zheng, Mengfeng Zeng, Boon Chin Heng, Xiao Chen, Zi Yin, Weishan Chen, Weiliang Shen, Hongwei Ouyang
BACKGROUND: Chronic tendinopathy is a commonly occurring clinical problem that affects both athletes and inactive middle-aged patients. Although some studies have shown that different platelet-rich plasma (PRP) preparations could exert various therapeutic effects in vitro, the role of leukocytes in PRP has not yet been defined under tendinopathy conditions in vivo. PURPOSE: This study compared the effects of the intratendon delivery of leukocyte-poor PRP (Lp-PRP) versus leukocyte-rich PRP (Lr-PRP) in a rabbit chronic tendinopathy model in vivo...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28298259/phenotypic-analysis-of-asthma-in-japanese-athletes
#13
Keisuke Tsukioka, Toshiyuki Koya, Hiroshi Ueno, Masachika Hayashi, Takuro Sakagami, Takashi Hasegawa, Masaaki Arakawa, Eiichi Suzuki, Toshiaki Kikuchi
BACKGROUND: Asthma in athlete populations such as Olympic athletes has various pathogeneses. However, few reports are available on the features of asthma in the athlete population in clinical practice. In this study, we focused on classifying asthma in Japanese athlete population. METHODS: We performed a cluster analysis of data from pulmonary function tests and clinical biomarkers before administering inhaled corticosteroids (ICS) therapy in athlete population of individuals diagnosed with asthma (n = 104; male, 76...
March 12, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28297591/estrogen-replacement-improves-verbal-memory-and-executive-control-in-oligomenorrheic-amenorrheic-athletes-in-a-randomized-controlled-trial
#14
Charumathi Baskaran, Brooke Cunningham, Franziska Plessow, Vibha Singhal, Ryan Woolley, Kathryn E Ackerman, Meghan Slattery, Hang Lee, Elizabeth A Lawson, Kamryn Eddy, Madhusmita Misra
OBJECTIVE: Both estrogen and exercise may have cognition enhancing benefits; however, young oligomenorrheic/amenorrheic athletes (OA) with estrogen deficiency have not been evaluated for cognitive deficits. Our objective was to determine whether 6 months of estrogen replacement will impact cognitive domains in OA. We hypothesized that estrogen replacement would improve verbal memory and executive control in OA. METHODS: We performed cognitive assessments at baseline and after 6 months in 48 OA (14-25 years) randomized to estrogen (EST+) (oral 30 µg ethinyl estradiol [n = 16] or transdermal 100 µg 17-β-estradiol patch [n = 13]) or no estrogen (EST-) (n = 19) in an ongoing clinical trial...
March 14, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28290970/severe-systemic-lead-toxicity-resulting-from-extra-articular-retained-shrapnel-presenting-as-jaundice-and-hepatitis-a-case-report-and-review-of-the-literature
#15
Ian A Grasso, Matthew R Blattner, Tyler Short, John W Downs
INTRODUCTION: Despite greater than 60,000 nonfatal firearm injuries per year in the United States, retained shrapnel is a relatively rare cause of systemic lead toxicity with less than 100 cases reported in the medical literature since 1867. While intra-articular retained shrapnel as a cause of lead toxicity is well-described, extra-articular fragments are less well known to cause symptomatic disease. CASE REPORT: A 31-year-old man initially presented with abdominal pain, constipation, jaundice, and elevated liver transaminases approximately 3 weeks after suffering a left lower extremity injury during athletic activity...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28284923/vascular-quadrilateral-space-syndrome-in-three-overhead-throwing-athletes-an-underdiagnosed-cause-of-digital-ischemia
#16
Johnathon Rollo, David Rigberg, Hugh Gelabert
Vascular quadrilateral space syndrome (vQSS) is an underdiagnosed cause of extremity ischemia, pain and paresthesia in overhand throwing athletes. The mechanism of vQSS is thought to result from repeated abduction and external rotation of the arm leading to a distraction injury of the posterior circumflex humoral artery (PCHA) as this courses through the quadrilateral space. This trauma may cause dissection and dissecting aneurysm formation. Thrombus from this arterial injury then embolizes down the arm resulting in the symptomatic presentation...
March 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28269460/monitoring-of-paces-and-gaits-using-binary-pir-sensors-with-rehabilitation-treadmill
#17
Jiang Lu, Ting Zhang, Qingquan Sun, Sanobar Kadiwal, Ishaq Unwala, Fei Hu
Recently, rehabilitation treadmills are designed for helping injured persons such as stroke patients and injury athletes in the process of physical therapy. By monitoring the changes of paces and gaits, one can estimate the progress of rehabilitation. At present, most devices that can estimate paces and gaits are wearable and/or expensive. This paper presents an inexpensive, non-intrusive wireless binary sensor system for pace estimation and lower-extreme gait recognition with low data throughput and high energy efficiency...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28266824/cardiovascular-disease-update-bradyarrhythmias
#18
Craig Barstow, Johnathan D McDivitt
Bradyarrhythmia (bradycardia) is a heart rate lower than 60 beats/min. It can be due to sinus, atrial, or junctional bradycardia or to a problem with the conduction system (eg, an atrioventricular block). Asymptomatic bradycardia is common, especially among trained athletes or during sleep. Bradycardia symptoms can include syncope, dizziness, chest pain, dyspnea, or fatigue. It is important to determine during the evaluation if bradycardia is the cause of the patient's symptoms. In the acute setting, symptomatic patients should be treated with atropine...
March 2017: FP Essentials
https://www.readbyqxmd.com/read/28256347/right-coronary-dissection-and-left-anterior-descending-thrombus-dual-dilemma-in-a-young-cardiac-arrest-survivor
#19
Holly Morgan, Michael McCann, Alan Whelan, Richard Clugston
BACKGROUND: ST-elevation myocardial infarction (STEMI) leading to cardiac arrest is an exceptionally rare occurrence in young adults. Those affected tend to abuse sympathomimetic drugs, have strong family histories, or have a significant burden of cardiac risk factors. Another uncommon cause of STEMI is coronary artery dissection, which overwhelmingly affects middle- and older-aged women with few cardiac risk factors. CASE REPORT: A 22-year-old athlete with no medical history was admitted to our institution post-cardiac arrest with an anterior STEMI and concomitant right coronary dissection...
February 27, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28253058/the-comparison-of-instrument-assisted-soft-tissue-mobilization-and-self-stretch-measures-to-increase-shoulder-range-of-motion-in-overhead-athletes-a-critically-appraised-topic
#20
Matthew J Hussey, Alex E Boron-Magulik, Tamara C Valovich-McLeod, Cailee E Welch Bacon
Shoulder range of motion (ROM) in throwing athletes relies on a balance of mobility and stability in order to maintain proper function and health. Prior research has reported that deficits in internal rotation greater than 20 degrees, decreases in total arc of motion greater than 5 degrees when compared to the contralateral side, and decreases in horizontal adduction greater than 16 degrees have all been identified as factors that could lead to throwing related injuries.(1) Due to the increased risk of injury associated with ROM deficits, it is important for clinicians to be cognizant of how to most effectively treat these issues...
March 2, 2017: Journal of Sport Rehabilitation
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